Annalisa (Nalis) Merelli is a contributing writer at STAT focused on boys’ and men’s health. The first thing Abraham Morgentaler learned about testosterone is that it’s a brain hormone. It was in a ...

Sara Moniuszko is a health and lifestyle reporter at CBSNews.com. Previously, she wrote for USA Today, where she was selected to help launch the newspaper's wellness vertical. She now covers breaking ...

Technically, yes, testosterone is a steroid hormone. But it’s not the kind of steroid that gets high-performing athletes stripped of their titles. Rather, testosterone replacement therapy (TRT) is a ...

Testosterone is being hailed as the secret to better energy, mood, and sex drive. Here’s what experts say about when it actually does help—and when it doesn’t. Women naturally produce testosterone, a ...